Home / 10,455,854.20-15,662,786.10-5,962,881.40

Finding the Fourth Proportional to 10,455,854.20, 15,662,786.10 and 5,962,881.40

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Solution

The fourth proportional to 10,455,854.20, 15,662,786.10 and 5,962,881.40 is: 8,932,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,854.20 : 15,662,786.10 = 5,962,881.40 : x
  2. Step 2: Convert to fraction form
    10,455,854.20/15,662,786.10 = 5,962,881.40/x
  3. Step 3: Cross multiply
    10,455,854.20x = 15,662,786.10 × 5,962,881.40
  4. Step 4: Simplify right side
    10,455,854.20x = 93,395,335,907,868.55
  5. Step 5: Solve for x
    x = 93,395,335,907,868.55/10,455,854.20
  6. Step 6: Final answer
    x = 8,932,348.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.